Friedman. (2005). The world is flat: The globalized world in the twenty-first century. Penguin Books.
Chicago Style (17th ed.) CitationFriedman. The World Is Flat: The Globalized World in the Twenty-first Century. New York: Penguin Books, 2005.
MLA (8th ed.) CitationFriedman. The World Is Flat: The Globalized World in the Twenty-first Century. Penguin Books, 2005.
Warning: These citations may not always be 100% accurate.